The Oldham player at the centre of allegations of racist abuse in Saturday afternoon's game at Sheffield United has received the full backing of his club.
The unnamed Latics player has "categorically denied" allegations of using racist language towards a ball boy during the 1-1 draw at Bramall Lane.
A statement from Oldham said: "Oldham Athletic Football Club was made aware by South Yorkshire Police after today's npower League One match at Sheffield United of an allegation of racist abuse by one of its players."
It added: "The player has categorically denied the allegation and the club and his team-mates are fully supportive of him.
"The club understands that the police are making enquiries into the allegation and, as a result, will not be making any further statements in relation to this matter."
South Yorkshire Police has confirmed it is looking into the claim.